/*
 * Copyright (c) 2012 Robert Burrell Donkin robertburrelldonkin.name
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
 * and associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
 * is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or 
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 */
package walrus;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.OptionGroup;
import org.apache.commons.cli.Options;

import walrus.app.Walrus;
import walrus.app.Walrus.Act;

public class ActOption extends WalrusOption {

	private enum Opt {
		ARCHIVE(Walrus.Act.ARCHIVE, "archive", "archive", 'r'), 
		COUNT(Walrus.Act.COUNT, "count", "count", 'c'),
		LOG(Walrus.Act.LOG, "log", "log", 'l');
		
		private final Walrus.Act act;
		private final String longName;
		private final String description;
		private final char abbreviation;
		
		private Opt(Act act, String longName, String description, char abbreviation) {
			this.act = act;
			this.longName = longName;
			this.description = description;
			this.abbreviation = abbreviation;
		}
		
		@SuppressWarnings("static-access")
		public Option option() {
			return OptionBuilder.withArgName(longName)
				.withLongOpt(longName)
				.withDescription(description).create(abbreviation);
		}
		
		public void configure(CommandLine line, Walrus walrus) {
			if (line.hasOption(longName)) {
				walrus.setAct(act);
			}
		}
	}
	
	@Override
	public void addTo(Options options) {
		final OptionGroup group = new OptionGroup();
		for (Opt opt: Opt.values()) {
			group.addOption(opt.option());
		}
		options.addOptionGroup(group);
	}

	@Override
	public void configure(CommandLine line, Walrus walrus) {
		for (Opt opt: Opt.values()) {
			opt.configure(line, walrus);
		}
	}
}
